165 lines
4.7 KiB
C
165 lines
4.7 KiB
C
/* RTEMS threads compatibility routines for libgcc2 and libobjc.
|
|
by: Rosimildo da Silva( rdasilva@connecttel.com ) */
|
|
/* Compile this one with gcc. */
|
|
/* Copyright (C) 1997-2015 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
|
the terms of the GNU General Public License as published by the Free
|
|
Software Foundation; either version 3, or (at your option) any later
|
|
version.
|
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef GCC_GTHR_RTEMS_H
|
|
#define GCC_GTHR_RTEMS_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define __GTHREADS 1
|
|
|
|
#define __GTHREAD_ONCE_INIT 0
|
|
#define __GTHREAD_MUTEX_INIT_FUNCTION rtems_gxx_mutex_init
|
|
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION rtems_gxx_recursive_mutex_init
|
|
|
|
/* Avoid dependency on rtems specific headers. */
|
|
typedef void *__gthread_key_t;
|
|
typedef int __gthread_once_t;
|
|
typedef void *__gthread_mutex_t;
|
|
typedef void *__gthread_recursive_mutex_t;
|
|
|
|
/*
|
|
* External functions provided by RTEMS. They are very similar to their POSIX
|
|
* counterparts. A "Wrapper API" is being use to avoid dependency on any RTEMS
|
|
* header files.
|
|
*/
|
|
|
|
/* generic per task variables */
|
|
extern int rtems_gxx_once (__gthread_once_t *__once, void (*__func) (void));
|
|
extern int rtems_gxx_key_create (__gthread_key_t *__key, void (*__dtor) (void *));
|
|
extern int rtems_gxx_key_delete (__gthread_key_t __key);
|
|
extern void *rtems_gxx_getspecific (__gthread_key_t __key);
|
|
extern int rtems_gxx_setspecific (__gthread_key_t __key, const void *__ptr);
|
|
|
|
/* mutex support */
|
|
extern void rtems_gxx_mutex_init (__gthread_mutex_t *__mutex);
|
|
extern int rtems_gxx_mutex_destroy (__gthread_mutex_t *__mutex);
|
|
extern int rtems_gxx_mutex_lock (__gthread_mutex_t *__mutex);
|
|
extern int rtems_gxx_mutex_trylock (__gthread_mutex_t *__mutex);
|
|
extern int rtems_gxx_mutex_unlock (__gthread_mutex_t *__mutex);
|
|
|
|
/* recursive mutex support */
|
|
extern void rtems_gxx_recursive_mutex_init (__gthread_recursive_mutex_t *__mutex);
|
|
extern int rtems_gxx_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex);
|
|
extern int rtems_gxx_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex);
|
|
extern int rtems_gxx_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex);
|
|
|
|
/* RTEMS threading is always active */
|
|
static inline int
|
|
__gthread_active_p (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
/* Wrapper calls */
|
|
static inline int
|
|
__gthread_once (__gthread_once_t *__once, void (*__func) (void))
|
|
{
|
|
return rtems_gxx_once( __once, __func );
|
|
}
|
|
|
|
static inline int
|
|
__gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *))
|
|
{
|
|
return rtems_gxx_key_create( __key, __dtor );
|
|
}
|
|
|
|
static inline int
|
|
__gthread_key_delete (__gthread_key_t __key)
|
|
{
|
|
return rtems_gxx_key_delete (__key);
|
|
}
|
|
|
|
static inline void *
|
|
__gthread_getspecific (__gthread_key_t __key)
|
|
{
|
|
return rtems_gxx_getspecific (__key);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_setspecific (__gthread_key_t __key, const void *__ptr)
|
|
{
|
|
return rtems_gxx_setspecific (__key, __ptr);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_destroy (__gthread_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_mutex_destroy (__mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_lock (__gthread_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_mutex_lock (__mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_trylock (__gthread_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_mutex_trylock (__mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_mutex_unlock (__gthread_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_mutex_unlock( __mutex );
|
|
}
|
|
|
|
static inline int
|
|
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_recursive_mutex_lock (__mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_recursive_mutex_trylock (__mutex);
|
|
}
|
|
|
|
static inline int
|
|
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
|
|
{
|
|
return rtems_gxx_recursive_mutex_unlock( __mutex );
|
|
}
|
|
|
|
static inline int
|
|
__gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
|
|
{
|
|
/* This requires that recursive and non-recursive mutexes have the same
|
|
representation. */
|
|
return rtems_gxx_mutex_destroy (__mutex );
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ! GCC_GTHR_RTEMS_H */
|